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kernel/linux-rt-4.4.41/arch/unicore32/include/mach/ocd.h 720 Bytes
5113f6f70   김현기   kernel add
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  /*
   * linux/arch/unicore32/include/mach/ocd.h
   *
   * Code specific to PKUnity SoC and UniCore ISA
   *
   * Copyright (C) 2001-2010 GUAN Xue-tao
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #ifndef __MACH_PUV3_OCD_H__
  #define __MACH_PUV3_OCD_H__
  
  #if defined(CONFIG_DEBUG_OCD)
  static inline void ocd_putc(unsigned int c)
  {
  	int status, i = 0x2000000;
  
  	do {
  		if (--i < 0)
  			return;
  
  		asm volatile ("movc %0, p1.c0, #0" : "=r" (status));
  	} while (status & 2);
  
  	asm("movc p1.c1, %0, #1" : : "r" (c));
  }
  
  #define putc(ch)	ocd_putc(ch)
  #else
  #define putc(ch)
  #endif
  
  #endif